<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input v-model="filters.keyword" placeholder="部门名称或编号"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="getDepartments">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表-->
		<el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="sn" label="部门编号" width="120" sortable>
			</el-table-column>
			<el-table-column prop="name" label="部门名称" width="120" sortable>
			</el-table-column>
			<el-table-column prop="state" label="状态" width="100">
				<template scope="scope">
					<span style="color: green" v-if="scope.row.state==0">启用</span>
					<span style="color: red" v-else-if="scope.row.state==-1">禁用</span>
					<span style="color: yellow" v-else >禁用</span>
				</template>
			</el-table-column>
			<el-table-column prop="manager.username" label="管理者" width="100" sortable>
			</el-table-column>
			<el-table-column prop="parent.name" label="上级部门" width="120" sortable>
			</el-table-column>
			<el-table-column label="操作" width="150">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next"
						   @current-change="handleCurrentChange"
						   :page-size="pageSize"
						   :total="total"
						   style="float:right;">
			</el-pagination>
		</el-col>

		<!--编辑界面-->
		<el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
			<el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
				<el-form-item label="部门编号" prop="sn">
					<el-input v-model="editForm.sn" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="部门名称" prop="name">
					<el-input v-model="editForm.name" auto-complete="off"></el-input>
				</el-form-item>

				<el-form-item label="状态">
					<el-radio-group v-model="editForm.state">
						<el-radio class="radio" :label="0">启用</el-radio>
						<el-radio class="radio" :label="-1">禁用</el-radio>
					</el-radio-group>
				</el-form-item>

				<el-form-item label="管理者" prop="manager">
					<!--<el-input v-model="editForm.manager" auto-complete="off"></el-input>-->
					<el-select v-model="editForm.manager" clearable value-key="id" placeholder="请选择">
						<!--
							employees 遍历的数组
							emp 遍历出的对象
						    label: 展示的数据
						    value: 传到后台的数据
						    key: 唯一的标志
						 -->
						<el-option
								v-for="emp in employees"
								:key="emp.id"
								:label="emp.username"
								:value="emp">
							<span style="float: left">{{ emp.username }}</span>  <!--要显示的数据  员工名字  员工电话-->
							<span style="float: right; color: #8492a6; font-size: 13px">{{ emp.phone }}</span>
						</el-option>
					</el-select>
				</el-form-item>

				<el-form-item label="上级部门" prop="parent">
					<!--elementui提供  显示多层级页面-->
					<el-cascader v-model="editForm.parent"
								 :options="tree"
								 :props="{
								checkStrictly: true,
								label: 'name',
								value: 'id'
							}"
							 clearable> <!--clearable清除上级部门-->
					</el-cascader>
				</el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="editFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
			</div>
		</el-dialog>
	</section>
</template>

<script>
	import util from '../../common/js/util'
	//import NProgress from 'nprogress'
	import { getDepartmentListPage, removeDepartment, batchRemoveDepartment, editDepartment, addDepartment } from '../../api/api';

	export default {
		data() {
			return {
			    tree: [], // 上级部门查询
				filters: { // 双向绑定
					keyword: ''  // 高级查询
				},
				departments: [], // 部门每页显示数据
				employees:[], // 员工查询出的数据
				pageSize: 5,
				total: 0,  // 总条数
				currentPage: 1,
				listLoading: false,
				sels: [], //列表选中列
                title: "",
				editFormVisible: false,//编辑界面是否显示
				editLoading: false,
				editFormRules: { // 校验规则，elementui提供
					name: [
						{ required: true, message: '请输入部门名称', trigger: 'blur' } // required  必填项
					],
					sn: [
						{ required: true, message: '请输入部门编号', trigger: 'blur' } // required  必填项
					]
				},
				//编辑界面数据
                editForm: {
                    id: null,
                    sn: "",
                    name: "",
                    state: 0,
                    manager: null, // 管理员
                    parent: null // 上级部门
                },
			}
		},
		methods: {
            // 状态显示转换
            /*formatSex: function (row, column) {
				return row.state == 0 ? '启用' : row.state == -1 ? '禁用' : '未知';
			},*/
            handleCurrentChange(val) {
                this.currentPage = val;
                this.getDepartments();
            },
            //获取部门列表
            getDepartments() {
                let para = {
                    currentPage: this.currentPage,
                    pageSize: this.pageSize,
                    keyword: this.filters.keyword  // 高级查询
                };
                this.listLoading = true; // 忙等框
                /*参数一：请求路劲
				* 参数二： 请求携带参数
				* */
                this.$http.post("/department", para)
                    .then(result => {
                        this.departments = result.data.rows; // 每页查询的数据
                        this.total = result.data.totals; // 总条数
                        this.listLoading = false; // 关闭忙等框
                    }).catch(result => {
                    alert("系统繁忙")
                })

                //NProgress.start();
                /*getDepartmentListPage(para).then((res) => {
					this.total = res.data.total;
					this.departments = res.data.departments;
					this.listLoading = false;
					//NProgress.done();
				});*/
            },
            //删除
            handleDel: function (index, row) {
                this.$confirm('确认删除该记录吗?', '温馨提示', {
                    type: 'warning'
                }).then(() => {
                    this.listLoading = true; // 忙等框
                    //NProgress.start();
                    this.$http.delete("/department/" + row.id) // localhost:8081/department/1
                        .then(result => { // 请求成功  {success： true ,message''}  result Elementui给的写死了的
                            this.listLoading = false; // 关闭忙等框
                            if (result.data.success) { // 删除成功
                                this.$message({
                                    message: '删除成功',
                                    type: 'success'
                                });
                            } else {
                                this.$message({ // 删除失败
                                    message: result.data.message,
                                    type: 'error'
                                });
                            }
                            this.currentPage = 1;  // 删除后去第一页
                            this.getDepartments(); // 刷新
                        }).catch(result => { // 发送请求失败
                        this.$message({
                            message: '系统繁忙',
                            type: 'error'
                        });
                    })
                })
            },
            //显示编辑界面
            handleEdit: function (index, row) {
                this.queryTree(); // 显示上级部门
                this.title = "编辑";
                this.editFormVisible = true;
                this.editForm = Object.assign({}, row); // 回显数据
				if (this.editForm.dirPath){
					let dirPath = this.editForm.dirPath;
					let arr = dirPath.split("/") // split切割  ["","1","5","33"] 根据/切割
					let parr = []; // 声明一个空数组
					for (let i=1; i<arr.length-1; i++){ // 遍历切割的数组并且第一个最后一个不要，最后一个就是自己所以不要
						parr.push(parseInt(arr[i])); // 添加到空数组
					}
					this.editForm.parent = parr;
				}
            },
            //显示新增界面
            handleAdd: function () {
                this.queryTree(); // 显示上级部门
                this.title = "新增";
                this.editFormVisible = true; // 显示新增页面
                this.editForm = { // 清空模态框
                    id: null,
                    sn: "",
                    name: "",
                    state: 0,
                    manager: null,
                    parent: null
                };
            },
            //编辑
            editSubmit: function () {
                this.$refs.editForm.validate((valid) => {
                    if (valid) {
                        this.$confirm('确认提交吗？', '温馨提示', {}).then(() => {
                            this.editLoading = true; // 忙等框
                            let para = Object.assign({}, this.editForm);  // 克隆数据  填入的数据
							// 处理传输的数据格式
							if(para.parent){
                                let pp = para.parent;  // [2,10]
                                let id = pp[pp.length-1] // 取数组中最后一个值
                                para.parent = {"id":id}
							}
                            this.$http.put("/department", para)
                                .then(result => { // 请求成功
                                    this.editLoading = false; // 关闭忙等框
                                    if (result.data.success) { // 操作成功
                                        this.$message({
                                            message: '提交成功',
                                            type: 'success'
                                        });
                                    } else {
                                        this.$message({
                                            message: result.data.message,
                                            type: 'error'
                                        });
                                    }
                                    this.editFormVisible = false; // 关闭模态框
                                    this.getDepartments();
                                }).catch(result => {
                                this.$message({
                                    message: '系统繁忙',
                                    type: 'error'
                                });
                            })
                        });
                    }
                });
            },
            selsChange: function (sels) {
                this.sels = sels;
            },
            //批量删除
            batchRemove: function () {
                // var ids = this.sels.map(item => item.id).toString();  // 1,2,3,4.....
                var ids = this.sels.map(item => item.id)  // [1,2,3,4...] 封装为一个集合
                this.$confirm('确认删除选中记录吗？', '温馨提示', {
                    type: 'warning'
                }).then(() => {
                    this.listLoading = true; // 忙等框
                    this.$http.patch("/department", ids)
                        .then(result => { // 请求成功
                            this.listLoading = false; // 请求成功就关闭忙等框
								if (result.data.success) {
									this.$message({
                                    message: '删除成功',
                                    type: 'success'
                                });
                            } else {
                                this.$message({
                                    message: result.data.message,
                                    type: 'error'
                                });
                            }
                            this.currentPage = 1; // 删除后跳到第一页
                            this.getDepartments(); // 刷新
                        }).catch(result => { // 请求失败
                        this.$message({
                            message: '正在努力加载中',
                            type: 'error'
                        });
                    })
                }).catch(() => {

                });
            },
			// 查询所有员工
            getEmployees(){
                this.$http.get("/employee")
                    .then(result=>{
                        console.debug(result)
                        this.employees = result.data;  // 查询所有数据  因为后台返回的就是employee所有数据，所以.data就行
                    })
            },
			// 查询上级管理员
			queryTree(){
				this.$http.get("/department/tree")
					.then(result=>{
						this.tree = result.data
					}).catch(result=>{

				})
			}
        },
		mounted() { // 页面加载完之后调用
			this.getDepartments();
			this.getEmployees();
		}
	}

</script>

<style scoped>

</style>